On Thu, Jul 14, 2022 at 03:38:04PM +0100, Darren Kenny wrote:
> Hi Ross,
>
> This looks good to me.
>
> On Thursday, 2022-07-14 at 09:41:28 -04, Ross Philipson wrote:
> > The way the code is written the tofree variable would never be
> > passed to the free_subchunk() function uninitialized. Coverity
> > cannot determine this and flags the situation as "Using uninitialized
> > value...". The fix is just to initialize the local struct.
> >
> > Fixes: CID 314016
> >
> > Signed-off-by: Ross Philipson <ross.philip...@oracle.com>
>
> Reviewed-by: Darren Kenny <darren.ke...@oracle.com>
I ran this through a private Coverity scan which marked the bug as eliminated
and didn't have any issues running it on a VM.
Tested-by: Alec Brown <alec.r.br...@oracle.com>
Alec Brown
>
> Thanks,
>
> Darren.
>
> > ---
> > grub-core/lib/relocator.c | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/grub-core/lib/relocator.c b/grub-core/lib/relocator.c
> > index 68ef128..bfcc70d 100644
> > --- a/grub-core/lib/relocator.c
> > +++ b/grub-core/lib/relocator.c
> > @@ -989,7 +989,7 @@ malloc_in_range (struct grub_relocator *rel,
> > if (j != 0 && events[j - 1].pos != events[j].pos)
> > {
> > grub_addr_t alloc_start, alloc_end;
> > - struct grub_relocator_subchunk tofree;
> > + struct grub_relocator_subchunk tofree = {0};
> > struct grub_relocator_subchunk *curschu = &tofree;
> > if (!oom)
> > curschu = &res->subchunks[cural];
> > --
> > 1.8.3.1
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